Old iTunes DLL causes UBT to fail on startup

UE - Platform - Mobile - May 2, 2022

'Show Only Selected' Option Hides Selected Group Actors

Tools - Dec 16, 2014

When attempting to isolate selected actors using the 'Show Only Selected' visibility option, grouped actors under this command will disappear and leave green spherical bounding wireframes indicating ...

Struct that is referencing a Custom bp Class will reset to default values on editor restart

UE - Gameplay - Blueprint - Sep 16, 2015

Struct that is referencing a Custom bp Class will reset to default values on editor restart User Description: Making a array of object types in a struct. the goal is to have a struct containing wa ...

Editor Crash When Using FRequestPlaySessionParams GlobalMapOverride To Load World Partition Map

UE - World Creation - Worldbuilding Tools - Data Layers - Dec 6, 2024

The licensee has been using a custom CVAR to launch directly into PIE for a world partition level. Since updating to 5.4, this now causes an editor crash. The main factor appears to be whether or no ...

Get array node will disconnect on restart if it's getting from an array variable of the same bp

UE - Gameplay - Blueprint - Jun 18, 2015

Get array node will disconnect on restart if it's getting from an array variable of the same bp. User Description: I have connected GET and Target, then saved and closed the editor. Then I created ...

Cannot use multiple SubScene tracks

UE - Anim - Sequencer - Jun 30, 2016

Cannot use multiple SubScene tracks. When trying to add a subscene to a second subscene track, it just snaps onto the original subscene track. ...

Sequencer Render: Animation not updating for a moment on camera cut

UE - Anim - Sequencer - Mar 17, 2017

When rendering from sequencer to an image sequence, character animation stops for 2 frames after a camera cut. This hitch does not occur when playing the sequence in PIE I've attached some sample d ...

Morph Targets in Skeletal Mesh LODs do not behave correctly

OLD - Anim - May 18, 2016

Morph Targets in Skeletal Mesh LODs do not behave correctly This is a REGRESSION, does not occur in 4.11 ...

Crash (Assertion failed "SystemInstanceController->IsSolo()") when enabling "Start with Tick Enabled" on a Niagara Component

UE - Niagara - Oct 17, 2024

Currently, Niagara Components are only expected to have their TickComponent() method called when their system is marked as "Solo", which makes them be simulated individually. In the most common scen ...

ForEach 'Enum' node returns incorrect enum values

UE - Gameplay - Blueprint - Aug 21, 2015

ForEach 'Enum' node returns incorrect enum values User Description: The For Each loop and Byte To Enum function return weird things. The same outputs happen with the Byte To Enum, depending on wh ...